diff --git a/include/queue.h b/include/queue.h
index 1e56c35f1..62d095a8e 100644
--- a/include/queue.h
+++ b/include/queue.h
@@ -71,11 +71,11 @@ typedef struct QueueDefinition   * QueueSetMemberHandle_t;
 
 /* For internal use only.  These definitions *must* match those in queue.c. */
 #define queueQUEUE_TYPE_BASE                  ( ( uint8_t ) 0U )
-#define queueQUEUE_TYPE_SET                   ( ( uint8_t ) 0U )
 #define queueQUEUE_TYPE_MUTEX                 ( ( uint8_t ) 1U )
 #define queueQUEUE_TYPE_COUNTING_SEMAPHORE    ( ( uint8_t ) 2U )
 #define queueQUEUE_TYPE_BINARY_SEMAPHORE      ( ( uint8_t ) 3U )
 #define queueQUEUE_TYPE_RECURSIVE_MUTEX       ( ( uint8_t ) 4U )
+#define queueQUEUE_TYPE_SET                   ( ( uint8_t ) 5U )
 
 /**
  * queue. h